Griddle board



FIG. 1 is a perspective view of a griddle board in accordance with the present design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a front perspective exploded view thereof.

The broken lines shown in the drawings illustrate portions of the griddle board that form no part of the claimed design. 

CLAIM The ornamental design for a griddle board, as shown and described. 